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The official documentation can be found here.

Redis – ModuleNotFoundError: No module named 'grp' on windows

As i was going through the Celery implementation from the Celery documentation,

celery -A tasks worker --loglevel=INFO

gave output unexpected that from the documentation,

File
"d:101_all_projectscelery-testingvenvlibsite-packagesceleryplatforms.py",
line 9, in
import grp ModuleNotFoundError: No module named ‘grp’

Is this because i am on windows?

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3

Answers


  1. 0

    If you’re using the PyPi package django-celery-beat it looks like it installs the most recent version of the required package celery rather than installing a compatible version (by the time I’m posting this, 25th of May 2021 this would be v5.1.0), which seems to have compatibility issues with django-celery-beat version 2.2.0 (the most recent) as well as Windows OS.

    I suggest you try

    pip uninstall celery
pip install celery==5.0.5
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  2. 0

    This is fixed with celery ^5.1.1 as you can see here. You just need to update celery now

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  3. 0

    Yes, i agree with you. For me also it happens, exact same issue

    when i was working on installations in a command prompt, i was mentioned as (pip install celery), it was installed recent version (5.1.0) or (pip install -r requirements.txt) mentioned in requirements.txt version

    pip uninstall celery
pip install celery==5.0.5

    It is working

    Also, whenever you are working celery make sure youare changes in your requirements.txt as required version as mentione below after run this command (pip install -r requirements.txt)

    #We need to mentioned as celery==5.0.5 in our requirement.tx

    pip install -r requirements.txt
#it will also working make sure you mentioned the exact version in your reqiuirements.txt
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